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TEM and SEM images showing the nucleation and assembly of silica into Si/SS nanofibers regulated by SS at various amounts of APTES. (A–C) TEM images of Si/SS nanofibers when the amount of APTES was set at (A) 1, (B) 2, and (C) 5 μL. (D,E) Corresponding SEM images of Si/SS nanofibers when the amount of APTES used was (D) 2 μL and (E) 5 μL. The concentration of SS and the amount of TEOS were fixed on 0.1 mg/mL and 10 μL, respectively.
